<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="antd.min.css">
    <script src="vue.min.js"></script>
    <script src="antd.min.js"></script>
    <style>
        *{
            margin: 0 ;
            padding: 0;
            text-align: center;
           
        }
        .ant-layout-sider{
            height: 200px;
            background-color: cornflowerblue;
        }  
        .ant-layout-header{
            height: 50x;
            background-color: cadetblue;
        }
        .ant-layout-content{
            height: 200px;
        }
        .ant-layout-footer{
            height: 50px;
            background-color: cadetblue;
        }
    </style>
</head>
<body>
    <div id="app">
        <a-layout>
            <!-- <a-layout-sider>我是导航</a-layout-sider> -->
            <a-layout-header>我是头部 </a-layout-header>
            <a-layout-content>我是躯干</a-layout-content>
            <a-layout-footer>我是底部</a-layout-footer>
        </a-layout>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <a-layout>
          
            <a-layout-header>我是头部 </a-layout-header>
            <a-layout-content><a-layout>
                <a-layout-sider>我是导航</a-layout-sider> 
            </a-layout></a-layout-content>
            <a-layout-footer>我是底部</a-layout-footer>
        </a-layout>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <a-layout>
          
            <a-layout-header>我是头部 </a-layout-header>
            <a-layout-content><a-layout>
                <a-layout-sider>我是导航</a-layout-sider> 
            </a-layout></a-layout-content>
            <a-layout-footer>我是底部</a-layout-footer>
        </a-layout>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <br/>
        <a-layout>
              <a-layout-sider>我是导航</a-layout-sider> 
             
              <a-layout-content>  <a-layout>
                <!-- <a-layout-sider>我是导航</a-layout-sider> -->
                <a-layout-header>我是头部 </a-layout-header>
                <a-layout-content>我是躯干</a-layout-content>

            </a-layout></a-layout-content>
              
        </a-layout>
    </div>
    <script>
        new Vue({
            el:"#app"
        })
    </script>
</body>
</html>